./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/sync01.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb38aa-727f-44fc-a20f-172b37afe346/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb38aa-727f-44fc-a20f-172b37afe346/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb38aa-727f-44fc-a20f-172b37afe346/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb38aa-727f-44fc-a20f-172b37afe346/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/sync01.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb38aa-727f-44fc-a20f-172b37afe346/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb38aa-727f-44fc-a20f-172b37afe346/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8f929a317f167560539ae4b4d441a695b43dc484839e0d977f902275d758b932 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:58:20,959 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:58:21,019 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb38aa-727f-44fc-a20f-172b37afe346/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 13:58:21,024 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:58:21,024 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:58:21,058 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:58:21,058 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:58:21,058 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:58:21,059 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:58:21,059 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:58:21,059 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:58:21,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:58:21,059 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:58:21,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:58:21,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:58:21,060 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:58:21,060 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:58:21,060 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:58:21,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:58:21,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:58:21,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:58:21,060 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:58:21,060 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 13:58:21,061 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:58:21,063 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:58:21,063 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:58:21,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:58:21,063 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:58:21,063 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:58:21,063 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:58:21,063 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:58:21,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:58:21,064 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:58:21,064 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:58:21,064 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:58:21,064 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:58:21,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:58:21,064 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:58:21,064 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:58:21,064 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:58:21,064 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:58:21,064 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb38aa-727f-44fc-a20f-172b37afe346/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f929a317f167560539ae4b4d441a695b43dc484839e0d977f902275d758b932 [2024-11-13 13:58:21,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:58:21,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:58:21,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:58:21,380 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:58:21,380 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:58:21,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb38aa-727f-44fc-a20f-172b37afe346/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/pthread/sync01.i Unable to find full path for "g++" [2024-11-13 13:58:23,216 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:58:23,608 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:58:23,609 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb38aa-727f-44fc-a20f-172b37afe346/sv-benchmarks/c/pthread/sync01.i [2024-11-13 13:58:23,632 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb38aa-727f-44fc-a20f-172b37afe346/bin/uautomizer-verify-qhAvR1uOyd/data/1c2b3af8f/c7b4d01cfab6486eb9df3e440cc9c130/FLAG284237987 [2024-11-13 13:58:23,652 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb38aa-727f-44fc-a20f-172b37afe346/bin/uautomizer-verify-qhAvR1uOyd/data/1c2b3af8f/c7b4d01cfab6486eb9df3e440cc9c130 [2024-11-13 13:58:23,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:58:23,660 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:58:23,664 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:58:23,664 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:58:23,669 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:58:23,670 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:58:23" (1/1) ... [2024-11-13 13:58:23,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47af84c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:23, skipping insertion in model container [2024-11-13 13:58:23,671 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:58:23" (1/1) ... [2024-11-13 13:58:23,721 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:58:24,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:58:24,271 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:58:24,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:58:24,450 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:58:24,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:24 WrapperNode [2024-11-13 13:58:24,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:58:24,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:58:24,452 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:58:24,453 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:58:24,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:24" (1/1) ... [2024-11-13 13:58:24,484 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:24" (1/1) ... [2024-11-13 13:58:24,528 INFO L138 Inliner]: procedures = 271, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 275 [2024-11-13 13:58:24,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:58:24,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:58:24,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:58:24,533 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:58:24,542 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:24" (1/1) ... [2024-11-13 13:58:24,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:24" (1/1) ... [2024-11-13 13:58:24,547 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:24" (1/1) ... [2024-11-13 13:58:24,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:24" (1/1) ... [2024-11-13 13:58:24,574 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:24" (1/1) ... [2024-11-13 13:58:24,580 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:24" (1/1) ... [2024-11-13 13:58:24,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:24" (1/1) ... [2024-11-13 13:58:24,584 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:24" (1/1) ... [2024-11-13 13:58:24,591 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:58:24,591 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:58:24,595 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:58:24,595 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:58:24,596 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:24" (1/1) ... [2024-11-13 13:58:24,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:58:24,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb38aa-727f-44fc-a20f-172b37afe346/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:58:24,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb38aa-727f-44fc-a20f-172b37afe346/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:58:24,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb38aa-727f-44fc-a20f-172b37afe346/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:58:24,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 13:58:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 13:58:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 13:58:24,667 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 13:58:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 13:58:24,667 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 13:58:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 13:58:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:58:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 13:58:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:58:24,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:58:24,669 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 13:58:24,896 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:58:24,898 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:58:25,530 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 13:58:25,533 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:58:25,585 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:58:25,589 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 13:58:25,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:58:25 BoogieIcfgContainer [2024-11-13 13:58:25,590 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:58:25,592 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:58:25,593 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:58:25,597 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:58:25,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:58:23" (1/3) ... [2024-11-13 13:58:25,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@729ce000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:58:25, skipping insertion in model container [2024-11-13 13:58:25,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:24" (2/3) ... [2024-11-13 13:58:25,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@729ce000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:58:25, skipping insertion in model container [2024-11-13 13:58:25,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:58:25" (3/3) ... [2024-11-13 13:58:25,600 INFO L112 eAbstractionObserver]: Analyzing ICFG sync01.i [2024-11-13 13:58:25,616 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:58:25,619 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG sync01.i that has 3 procedures, 332 locations, 1 initial locations, 2 loop locations, and 8 error locations. [2024-11-13 13:58:25,619 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 13:58:25,731 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-13 13:58:25,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 338 places, 337 transitions, 688 flow [2024-11-13 13:58:25,979 INFO L124 PetriNetUnfolderBase]: 6/335 cut-off events. [2024-11-13 13:58:25,981 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 13:58:25,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 335 events. 6/335 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 128 event pairs, 0 based on Foata normal form. 0/321 useless extension candidates. Maximal degree in co-relation 291. Up to 2 conditions per place. [2024-11-13 13:58:25,991 INFO L82 GeneralOperation]: Start removeDead. Operand has 338 places, 337 transitions, 688 flow [2024-11-13 13:58:26,001 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 325 places, 322 transitions, 656 flow [2024-11-13 13:58:26,011 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:58:26,028 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@444823b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:58:26,028 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-11-13 13:58:26,152 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:58:26,152 INFO L124 PetriNetUnfolderBase]: 0/250 cut-off events. [2024-11-13 13:58:26,152 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:58:26,152 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:58:26,153 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:58:26,154 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-13 13:58:26,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:58:26,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1420618221, now seen corresponding path program 1 times [2024-11-13 13:58:26,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:58:26,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703380804] [2024-11-13 13:58:26,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:58:26,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:58:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:26,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:58:26,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:58:26,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703380804] [2024-11-13 13:58:26,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703380804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:58:26,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:58:26,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:58:26,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360915419] [2024-11-13 13:58:26,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:58:26,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:58:26,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:58:26,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:58:26,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:58:26,989 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 337 [2024-11-13 13:58:26,993 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 322 transitions, 656 flow. Second operand has 3 states, 3 states have (on average 307.3333333333333) internal successors, (922), 3 states have internal predecessors, (922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:58:26,993 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:58:26,993 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 337 [2024-11-13 13:58:26,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:58:27,229 INFO L124 PetriNetUnfolderBase]: 72/564 cut-off events. [2024-11-13 13:58:27,230 INFO L125 PetriNetUnfolderBase]: For 33/33 co-relation queries the response was YES. [2024-11-13 13:58:27,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 743 conditions, 564 events. 72/564 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1552 event pairs, 54 based on Foata normal form. 0/516 useless extension candidates. Maximal degree in co-relation 428. Up to 149 conditions per place. [2024-11-13 13:58:27,238 INFO L140 encePairwiseOnDemand]: 332/337 looper letters, 22 selfloop transitions, 2 changer transitions 0/319 dead transitions. [2024-11-13 13:58:27,238 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 319 transitions, 698 flow [2024-11-13 13:58:27,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:58:27,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:58:27,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 945 transitions. [2024-11-13 13:58:27,261 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9347181008902077 [2024-11-13 13:58:27,263 INFO L175 Difference]: Start difference. First operand has 325 places, 322 transitions, 656 flow. Second operand 3 states and 945 transitions. [2024-11-13 13:58:27,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 319 transitions, 698 flow [2024-11-13 13:58:27,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 319 transitions, 690 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-13 13:58:27,282 INFO L231 Difference]: Finished difference. Result has 322 places, 319 transitions, 646 flow [2024-11-13 13:58:27,286 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=337, PETRI_DIFFERENCE_MINUEND_FLOW=642, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=646, PETRI_PLACES=322, PETRI_TRANSITIONS=319} [2024-11-13 13:58:27,291 INFO L277 CegarLoopForPetriNet]: 325 programPoint places, -3 predicate places. [2024-11-13 13:58:27,291 INFO L471 AbstractCegarLoop]: Abstraction has has 322 places, 319 transitions, 646 flow [2024-11-13 13:58:27,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 307.3333333333333) internal successors, (922), 3 states have internal predecessors, (922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:58:27,292 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:58:27,293 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:58:27,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:58:27,294 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-13 13:58:27,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:58:27,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1424634505, now seen corresponding path program 1 times [2024-11-13 13:58:27,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:58:27,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274000151] [2024-11-13 13:58:27,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:58:27,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:58:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:27,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:58:27,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:58:27,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274000151] [2024-11-13 13:58:27,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274000151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:58:27,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:58:27,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:58:27,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448596946] [2024-11-13 13:58:27,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:58:27,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:58:27,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:58:27,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:58:27,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:58:27,693 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 337 [2024-11-13 13:58:27,694 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 319 transitions, 646 flow. Second operand has 3 states, 3 states have (on average 303.6666666666667) internal successors, (911), 3 states have internal predecessors, (911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:58:27,694 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:58:27,694 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 337 [2024-11-13 13:58:27,694 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:58:27,961 INFO L124 PetriNetUnfolderBase]: 146/777 cut-off events. [2024-11-13 13:58:27,961 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-11-13 13:58:27,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1096 conditions, 777 events. 146/777 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 3027 event pairs, 55 based on Foata normal form. 1/721 useless extension candidates. Maximal degree in co-relation 838. Up to 204 conditions per place. [2024-11-13 13:58:27,968 INFO L140 encePairwiseOnDemand]: 321/337 looper letters, 36 selfloop transitions, 10 changer transitions 2/338 dead transitions. [2024-11-13 13:58:27,968 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 338 transitions, 782 flow [2024-11-13 13:58:27,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:58:27,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:58:27,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 959 transitions. [2024-11-13 13:58:27,973 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9485657764589516 [2024-11-13 13:58:27,973 INFO L175 Difference]: Start difference. First operand has 322 places, 319 transitions, 646 flow. Second operand 3 states and 959 transitions. [2024-11-13 13:58:27,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 338 transitions, 782 flow [2024-11-13 13:58:27,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 338 transitions, 778 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:58:27,985 INFO L231 Difference]: Finished difference. Result has 323 places, 326 transitions, 723 flow [2024-11-13 13:58:27,986 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=337, PETRI_DIFFERENCE_MINUEND_FLOW=640, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=318, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=723, PETRI_PLACES=323, PETRI_TRANSITIONS=326} [2024-11-13 13:58:27,986 INFO L277 CegarLoopForPetriNet]: 325 programPoint places, -2 predicate places. [2024-11-13 13:58:27,987 INFO L471 AbstractCegarLoop]: Abstraction has has 323 places, 326 transitions, 723 flow [2024-11-13 13:58:27,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 303.6666666666667) internal successors, (911), 3 states have internal predecessors, (911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:58:27,989 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:58:27,989 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:58:27,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:58:27,989 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-13 13:58:27,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:58:27,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1280389639, now seen corresponding path program 1 times [2024-11-13 13:58:27,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:58:27,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587164919] [2024-11-13 13:58:27,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:58:27,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:58:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:28,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:58:28,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:58:28,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587164919] [2024-11-13 13:58:28,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587164919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:58:28,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:58:28,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:58:28,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792677255] [2024-11-13 13:58:28,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:58:28,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:58:28,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:58:28,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:58:28,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:58:28,434 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 337 [2024-11-13 13:58:28,436 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 326 transitions, 723 flow. Second operand has 3 states, 3 states have (on average 314.0) internal successors, (942), 3 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:58:28,438 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:58:28,438 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 337 [2024-11-13 13:58:28,438 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:58:28,609 INFO L124 PetriNetUnfolderBase]: 46/504 cut-off events. [2024-11-13 13:58:28,610 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-11-13 13:58:28,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 667 conditions, 504 events. 46/504 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1099 event pairs, 18 based on Foata normal form. 6/492 useless extension candidates. Maximal degree in co-relation 360. Up to 50 conditions per place. [2024-11-13 13:58:28,616 INFO L140 encePairwiseOnDemand]: 333/337 looper letters, 15 selfloop transitions, 2 changer transitions 0/321 dead transitions. [2024-11-13 13:58:28,616 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 321 transitions, 731 flow [2024-11-13 13:58:28,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:58:28,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:58:28,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 955 transitions. [2024-11-13 13:58:28,623 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9446092977250248 [2024-11-13 13:58:28,623 INFO L175 Difference]: Start difference. First operand has 323 places, 326 transitions, 723 flow. Second operand 3 states and 955 transitions. [2024-11-13 13:58:28,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 321 transitions, 731 flow [2024-11-13 13:58:28,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 321 transitions, 717 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:58:28,634 INFO L231 Difference]: Finished difference. Result has 318 places, 318 transitions, 685 flow [2024-11-13 13:58:28,635 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=337, PETRI_DIFFERENCE_MINUEND_FLOW=677, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=318, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=685, PETRI_PLACES=318, PETRI_TRANSITIONS=318} [2024-11-13 13:58:28,636 INFO L277 CegarLoopForPetriNet]: 325 programPoint places, -7 predicate places. [2024-11-13 13:58:28,637 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 318 transitions, 685 flow [2024-11-13 13:58:28,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.0) internal successors, (942), 3 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:58:28,638 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:58:28,638 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:58:28,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:58:28,639 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-13 13:58:28,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:58:28,640 INFO L85 PathProgramCache]: Analyzing trace with hash 333936476, now seen corresponding path program 1 times [2024-11-13 13:58:28,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:58:28,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22941410] [2024-11-13 13:58:28,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:58:28,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:58:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:28,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:58:28,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:58:28,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22941410] [2024-11-13 13:58:28,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22941410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:58:28,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:58:28,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:58:28,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873072367] [2024-11-13 13:58:28,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:58:28,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:58:28,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:58:28,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:58:28,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:58:28,924 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 337 [2024-11-13 13:58:28,925 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 318 transitions, 685 flow. Second operand has 3 states, 3 states have (on average 311.0) internal successors, (933), 3 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:58:28,926 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:58:28,926 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 337 [2024-11-13 13:58:28,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:58:29,078 INFO L124 PetriNetUnfolderBase]: 115/651 cut-off events. [2024-11-13 13:58:29,079 INFO L125 PetriNetUnfolderBase]: For 67/76 co-relation queries the response was YES. [2024-11-13 13:58:29,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1010 conditions, 651 events. 115/651 cut-off events. For 67/76 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1905 event pairs, 41 based on Foata normal form. 4/617 useless extension candidates. Maximal degree in co-relation 667. Up to 185 conditions per place. [2024-11-13 13:58:29,082 INFO L140 encePairwiseOnDemand]: 330/337 looper letters, 26 selfloop transitions, 10 changer transitions 2/331 dead transitions. [2024-11-13 13:58:29,083 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 331 transitions, 800 flow [2024-11-13 13:58:29,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:58:29,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:58:29,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 955 transitions. [2024-11-13 13:58:29,085 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9446092977250248 [2024-11-13 13:58:29,086 INFO L175 Difference]: Start difference. First operand has 318 places, 318 transitions, 685 flow. Second operand 3 states and 955 transitions. [2024-11-13 13:58:29,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 331 transitions, 800 flow [2024-11-13 13:58:29,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 331 transitions, 796 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:58:29,093 INFO L231 Difference]: Finished difference. Result has 320 places, 326 transitions, 767 flow [2024-11-13 13:58:29,093 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=337, PETRI_DIFFERENCE_MINUEND_FLOW=681, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=318, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=767, PETRI_PLACES=320, PETRI_TRANSITIONS=326} [2024-11-13 13:58:29,094 INFO L277 CegarLoopForPetriNet]: 325 programPoint places, -5 predicate places. [2024-11-13 13:58:29,094 INFO L471 AbstractCegarLoop]: Abstraction has has 320 places, 326 transitions, 767 flow [2024-11-13 13:58:29,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 311.0) internal successors, (933), 3 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:58:29,095 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:58:29,095 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:58:29,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:58:29,096 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-13 13:58:29,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:58:29,096 INFO L85 PathProgramCache]: Analyzing trace with hash -383479421, now seen corresponding path program 1 times [2024-11-13 13:58:29,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:58:29,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604727909] [2024-11-13 13:58:29,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:58:29,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:58:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:29,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:58:29,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:58:29,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604727909] [2024-11-13 13:58:29,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604727909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:58:29,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:58:29,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:58:29,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45500991] [2024-11-13 13:58:29,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:58:29,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:58:29,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:58:29,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:58:29,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:58:29,698 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 337 [2024-11-13 13:58:29,700 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 326 transitions, 767 flow. Second operand has 5 states, 5 states have (on average 310.0) internal successors, (1550), 5 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:58:29,700 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:58:29,700 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 337 [2024-11-13 13:58:29,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:58:29,894 INFO L124 PetriNetUnfolderBase]: 63/544 cut-off events. [2024-11-13 13:58:29,894 INFO L125 PetriNetUnfolderBase]: For 107/113 co-relation queries the response was YES. [2024-11-13 13:58:29,895 INFO L83 FinitePrefix]: Finished finitePrefix Result has 851 conditions, 544 events. 63/544 cut-off events. For 107/113 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1363 event pairs, 15 based on Foata normal form. 12/536 useless extension candidates. Maximal degree in co-relation 531. Up to 75 conditions per place. [2024-11-13 13:58:29,897 INFO L140 encePairwiseOnDemand]: 330/337 looper letters, 16 selfloop transitions, 7 changer transitions 0/331 dead transitions. [2024-11-13 13:58:29,897 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 331 transitions, 824 flow [2024-11-13 13:58:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:58:29,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 13:58:29,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1566 transitions. [2024-11-13 13:58:29,901 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9293768545994066 [2024-11-13 13:58:29,901 INFO L175 Difference]: Start difference. First operand has 320 places, 326 transitions, 767 flow. Second operand 5 states and 1566 transitions. [2024-11-13 13:58:29,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 331 transitions, 824 flow [2024-11-13 13:58:29,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 331 transitions, 798 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-11-13 13:58:29,909 INFO L231 Difference]: Finished difference. Result has 324 places, 329 transitions, 781 flow [2024-11-13 13:58:29,910 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=337, PETRI_DIFFERENCE_MINUEND_FLOW=741, PETRI_DIFFERENCE_MINUEND_PLACES=318, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=326, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=781, PETRI_PLACES=324, PETRI_TRANSITIONS=329} [2024-11-13 13:58:29,912 INFO L277 CegarLoopForPetriNet]: 325 programPoint places, -1 predicate places. [2024-11-13 13:58:29,912 INFO L471 AbstractCegarLoop]: Abstraction has has 324 places, 329 transitions, 781 flow [2024-11-13 13:58:29,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 310.0) internal successors, (1550), 5 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:58:29,913 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:58:29,914 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:58:29,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:58:29,914 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-13 13:58:29,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:58:29,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1677471251, now seen corresponding path program 2 times [2024-11-13 13:58:29,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:58:29,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058121317] [2024-11-13 13:58:29,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:58:29,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:58:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:30,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:58:30,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:58:30,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058121317] [2024-11-13 13:58:30,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058121317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:58:30,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:58:30,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:58:30,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180303555] [2024-11-13 13:58:30,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:58:30,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:58:30,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:58:30,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:58:30,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:58:30,525 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 337 [2024-11-13 13:58:30,527 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 329 transitions, 781 flow. Second operand has 5 states, 5 states have (on average 310.0) internal successors, (1550), 5 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:58:30,528 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:58:30,528 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 337 [2024-11-13 13:58:30,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:58:30,657 INFO L124 PetriNetUnfolderBase]: 8/348 cut-off events. [2024-11-13 13:58:30,657 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2024-11-13 13:58:30,658 INFO L83 FinitePrefix]: Finished finitePrefix Result has 459 conditions, 348 events. 8/348 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 161 event pairs, 1 based on Foata normal form. 2/349 useless extension candidates. Maximal degree in co-relation 309. Up to 13 conditions per place. [2024-11-13 13:58:30,660 INFO L140 encePairwiseOnDemand]: 329/337 looper letters, 11 selfloop transitions, 10 changer transitions 8/315 dead transitions. [2024-11-13 13:58:30,660 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 315 transitions, 750 flow [2024-11-13 13:58:30,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:58:30,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 13:58:30,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1565 transitions. [2024-11-13 13:58:30,664 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9287833827893175 [2024-11-13 13:58:30,664 INFO L175 Difference]: Start difference. First operand has 324 places, 329 transitions, 781 flow. Second operand 5 states and 1565 transitions. [2024-11-13 13:58:30,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 315 transitions, 750 flow [2024-11-13 13:58:30,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 315 transitions, 726 flow, removed 8 selfloop flow, removed 4 redundant places. [2024-11-13 13:58:30,674 INFO L231 Difference]: Finished difference. Result has 321 places, 305 transitions, 678 flow [2024-11-13 13:58:30,675 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=337, PETRI_DIFFERENCE_MINUEND_FLOW=675, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=678, PETRI_PLACES=321, PETRI_TRANSITIONS=305} [2024-11-13 13:58:30,677 INFO L277 CegarLoopForPetriNet]: 325 programPoint places, -4 predicate places. [2024-11-13 13:58:30,677 INFO L471 AbstractCegarLoop]: Abstraction has has 321 places, 305 transitions, 678 flow [2024-11-13 13:58:30,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 310.0) internal successors, (1550), 5 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:58:30,678 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:58:30,680 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:58:30,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 13:58:30,680 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-11-13 13:58:30,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:58:30,680 INFO L85 PathProgramCache]: Analyzing trace with hash 504125587, now seen corresponding path program 1 times [2024-11-13 13:58:30,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:58:30,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707401008] [2024-11-13 13:58:30,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:58:30,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:58:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:30,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:58:30,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:58:30,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707401008] [2024-11-13 13:58:30,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707401008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:58:30,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:58:30,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:58:30,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980214677] [2024-11-13 13:58:30,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:58:30,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:58:30,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:58:30,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:58:30,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:58:30,939 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 337 [2024-11-13 13:58:30,940 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 305 transitions, 678 flow. Second operand has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:58:30,940 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:58:30,940 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 337 [2024-11-13 13:58:30,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:58:31,004 INFO L124 PetriNetUnfolderBase]: 8/339 cut-off events. [2024-11-13 13:58:31,004 INFO L125 PetriNetUnfolderBase]: For 53/53 co-relation queries the response was YES. [2024-11-13 13:58:31,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 339 events. 8/339 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 158 event pairs, 4 based on Foata normal form. 1/338 useless extension candidates. Maximal degree in co-relation 295. Up to 36 conditions per place. [2024-11-13 13:58:31,005 INFO L140 encePairwiseOnDemand]: 335/337 looper letters, 0 selfloop transitions, 0 changer transitions 304/304 dead transitions. [2024-11-13 13:58:31,005 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 304 transitions, 716 flow [2024-11-13 13:58:31,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:58:31,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:58:31,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 940 transitions. [2024-11-13 13:58:31,008 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9297725024727992 [2024-11-13 13:58:31,009 INFO L175 Difference]: Start difference. First operand has 321 places, 305 transitions, 678 flow. Second operand 3 states and 940 transitions. [2024-11-13 13:58:31,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 304 transitions, 716 flow [2024-11-13 13:58:31,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 304 transitions, 686 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-13 13:58:31,016 INFO L231 Difference]: Finished difference. Result has 310 places, 0 transitions, 0 flow [2024-11-13 13:58:31,016 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=337, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=310, PETRI_TRANSITIONS=0} [2024-11-13 13:58:31,017 INFO L277 CegarLoopForPetriNet]: 325 programPoint places, -15 predicate places. [2024-11-13 13:58:31,018 INFO L471 AbstractCegarLoop]: Abstraction has has 310 places, 0 transitions, 0 flow [2024-11-13 13:58:31,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:58:31,021 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 16 remaining) [2024-11-13 13:58:31,021 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 16 remaining) [2024-11-13 13:58:31,021 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 16 remaining) [2024-11-13 13:58:31,021 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (12 of 16 remaining) [2024-11-13 13:58:31,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (11 of 16 remaining) [2024-11-13 13:58:31,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (10 of 16 remaining) [2024-11-13 13:58:31,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 16 remaining) [2024-11-13 13:58:31,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 16 remaining) [2024-11-13 13:58:31,024 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 16 remaining) [2024-11-13 13:58:31,024 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 16 remaining) [2024-11-13 13:58:31,024 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (5 of 16 remaining) [2024-11-13 13:58:31,024 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (4 of 16 remaining) [2024-11-13 13:58:31,024 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (3 of 16 remaining) [2024-11-13 13:58:31,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (2 of 16 remaining) [2024-11-13 13:58:31,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 16 remaining) [2024-11-13 13:58:31,025 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (0 of 16 remaining) [2024-11-13 13:58:31,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 13:58:31,025 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2024-11-13 13:58:31,031 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 13:58:31,032 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:58:31,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:58:31 BasicIcfg [2024-11-13 13:58:31,038 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:58:31,040 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:58:31,040 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:58:31,040 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:58:31,041 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:58:25" (3/4) ... [2024-11-13 13:58:31,042 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 13:58:31,046 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-13 13:58:31,047 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-13 13:58:31,055 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-13 13:58:31,056 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 13:58:31,057 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 13:58:31,057 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 13:58:31,157 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb38aa-727f-44fc-a20f-172b37afe346/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 13:58:31,158 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb38aa-727f-44fc-a20f-172b37afe346/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 13:58:31,158 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:58:31,159 INFO L158 Benchmark]: Toolchain (without parser) took 7499.42ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 92.9MB in the beginning and 121.8MB in the end (delta: -29.0MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. [2024-11-13 13:58:31,160 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:58:31,160 INFO L158 Benchmark]: CACSL2BoogieTranslator took 788.20ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 62.3MB in the end (delta: 30.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 13:58:31,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.92ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 59.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:58:31,161 INFO L158 Benchmark]: Boogie Preprocessor took 62.16ms. Allocated memory is still 117.4MB. Free memory was 59.5MB in the beginning and 56.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:58:31,162 INFO L158 Benchmark]: RCFGBuilder took 998.41ms. Allocated memory is still 117.4MB. Free memory was 56.8MB in the beginning and 84.2MB in the end (delta: -27.4MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2024-11-13 13:58:31,165 INFO L158 Benchmark]: TraceAbstraction took 5446.91ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 83.6MB in the beginning and 128.0MB in the end (delta: -44.4MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2024-11-13 13:58:31,165 INFO L158 Benchmark]: Witness Printer took 118.51ms. Allocated memory is still 201.3MB. Free memory was 128.0MB in the beginning and 121.8MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:58:31,166 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 788.20ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 62.3MB in the end (delta: 30.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.92ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 59.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 62.16ms. Allocated memory is still 117.4MB. Free memory was 59.5MB in the beginning and 56.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 998.41ms. Allocated memory is still 117.4MB. Free memory was 56.8MB in the beginning and 84.2MB in the end (delta: -27.4MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * TraceAbstraction took 5446.91ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 83.6MB in the beginning and 128.0MB in the end (delta: -44.4MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. * Witness Printer took 118.51ms. Allocated memory is still 201.3MB. Free memory was 128.0MB in the beginning and 121.8MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 936]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 946]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 948]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 948]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 956]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 964]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 384 locations, 16 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.3s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 354 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 180 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 538 IncrementalHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 66 mSDtfsCounter, 538 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=781occurred in iteration=5, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1911 NumberOfCodeBlocks, 1911 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1904 ConstructedInterpolants, 0 QuantifiedInterpolants, 2096 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 13:58:31,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfb38aa-727f-44fc-a20f-172b37afe346/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE